linux-kernel - Re: [PATCH 3/8] arm64: dts: imx8mm-kontron: Set VDD

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Message-ID: <20211005065641.GA20743@dragon>
Date:   Tue, 5 Oct 2021 14:56:42 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Frieder Schrempf <frieder@...s.de>
Cc:     devicetree@...r.kernel.org,
        Frieder Schrempf <frieder.schrempf@...tron.de>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>, stable@...r.kernel.org,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: Re: [PATCH 3/8] arm64: dts: imx8mm-kontron: Set VDD_SNVS to 800 mV

On Thu, Sep 30, 2021 at 05:56:26PM +0200, Frieder Schrempf wrote:
> From: Frieder Schrempf <frieder.schrempf@...tron.de>
> 
> According to the datasheet VDD_SNVS should be 800 mV, so let's
> make sure that the voltage won't be different.

Could you share the datasheet?

Shawn

> 
> Fixes: 21c4f45b335f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards")
> Cc: stable@...r.kernel.org
> Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>
> ---
>  arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
> index b12fb7ce6686..213014f59b46 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi
> @@ -152,8 +152,8 @@ reg_nvcc_snvs: LDO1 {
>  
>  			reg_vdd_snvs: LDO2 {
>  				regulator-name = "ldo2";
> -				regulator-min-microvolt = <850000>;
> -				regulator-max-microvolt = <900000>;
> +				regulator-min-microvolt = <800000>;
> +				regulator-max-microvolt = <800000>;
>  				regulator-boot-on;
>  				regulator-always-on;
>  			};
> -- 
> 2.33.0
>